Internal Standard Solution, 1.2ml, nonane Back Catalog number: EPA-23IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 79077 EPA Method 8330 Analyte Price on request 1326.18-10UG Chrysene-trans-5,6-dihydrodiol, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 56183-24-5 Price on request 72250 Sodium benzoate Price on request